Yeah, I agree.
Mini DVD wasnt an issue. PS1, X360 all have medias that some games needed 2 or 3 discs, so a 1.6gb disk wouldnt hurt nintendo game cube more than ps1 and x360. and the 2 later were sucesfull despite their disk media.
And some really believe that the format of the console mess up with the sales? the color? you could choose the color(mine is black).
Not having a DVD player and the release date was obviously the problems, IMO.
(and of course they start loosing consumers on 64, but excluding this variable, suposing you want to make a new sucesfull console after 64, you cannot blame the predecessor, just make a game console that goes well despite its predecessor)

The SNES CD would have flopped just like the Sega CD did. People have never shown any willingness to buy expensive add ons. And that was in the days when the primary audience for video games was children. Very few parents were willing to shell out another $200 for a CD-ROM add on when most of them were bitching about the cost of the core hardware. I doubt it would have forestalled the PS1 either. The only thing Nintendo would have gotten was losses and another embarrassment like the Virtual Boy. Nintendo made the right choice pulling the plug there.

Nintendo's mistake was using cartridges for the N64 and losing support from Square and Enix. 

Oh, it did ok as far as I remember.
Why did it had a handle?
The WiiU did worst than the Dreamcast, but Nintendo is in such good shape finacialy that it would took like 3 Dreamcasts in a row to destroy them.
Again, does anyone know why the Gamecube had a handle?

Delaytendo. How much has that hurt them.

Yeah... you do not get my point.

The SNES CD stops the Playstation from being made. Even if it flops, Sony does not enter the home console market and is not a competitor to Nintendo and that changes the whole history of gaming. It also gives Nintendo the privilidge to do almost anything they want because Sega is dying and Microsoft does not exist yet. It is not about the success or failure of the product, it is about what happened because that product never hit the market.

That SNES CD becoming the Playstation is Nintendo's biggest mistake, period.

1) You may have stated that but that is NOT what I am saying. I am directly saying that Nintendo's biggest mistake was allowing Sony to become a competitor. Not making a CD based console is a mistake, but even that mistake pales in comparison to breaking a deal with Sony and then Sony launching what most people consider, "SNES 2" and murdering Nintendo.

2) Wii's profits for four years were outlandish. As another poster noted, in its fifth year, Wii sold 10 million units. Gamecube sold twenty-somthing million for its lifetime. Even if Gamecube sold better, where was Nintendo going to go next? The benefit of Wii outshines anything you are thinking. Plus, Nintendo's mistakes after Wii an DS were even more crucial than Gamecube. They were the market leader in dominating fashion and they made just about every mistake possible to ensure Wii U was misunderstood and marketed improperly. Dropping them to irrelevance in the home console race. How can the Gamecube be a bigger mistake than that? It is not possible.

3) Nothing you said in this portion of your post is something that I agree with; however, I do not want to debate it and I am not going to.

4) Because this point right here is where I want to go. If Sony never makes Playstation and Microsoft has to go head-to-head against Nintendo, Microsoft has 0 chance. No chance at all. Nintendo would slaughter Microsoft with its Japanese sales alone. And even if Microsoft still goes huge with Halo, other compaines like Rockstar that previously made games for Nintendo (Body Harvest) would most likely continue their partnerships because they are already familiar with Nintendo, Nintendo would have all the marketshare, and Nintendo would have much deeper pockets since Sony was not there to take the marketshare away. There is not one single benefit for NIntendo to having Sony as a competitor and that is what I am saying. That mistake is, without a doubt, the biggest mistake in Nintendo history. For you to imply it could be anythig else is, as I said earlier, ludicrous.

Sony was trying to claim the IPs that came out on the SNES CD.  Nintendo had to back away after they apparently realized what would happen.

Wii U did worse than Dreamcast? Last time I checked it had sold more hardware and a lot more software.

I understand why it happened. But Nintendo could have tied it up in litigation which kept Sony from releasing a console at all (SNES CD or Playstation). Instead, they broke the contract and it crushed them.

Or they could have just put a CD-ROM into the N64, left the cartridge slot too, and re-upped their existing partnership with Squaresoft. 

That pretty much would've been curtains for Sony. 

But even after that, I think they had an oppurtunity with the GameCube to at least secure a no.2 spot and a solid one at that.